Scientific, surveying, measuring, signaling and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; electronic apparatus for measuring and surveying physical properties including by means of instruments and sensors utilized in the conversion of physical properties to electrical signals; electrical actuators for use in signaling, lighting, electrical, electronic and mechanical applications; electronic apparatus for use in conjunction with teaching, testing, prototyping, measuring, and scientific experiments, and in conjunction with any field that requires conversion of physical properties to electrical signals, including to elaborate and/or communicate results and/or operate electrically driven actuators; parts and fittings for the aforesaid goods; none of the aforesaid being hardware in relation to computer games or gaming